NGC 4631_ NGC 4656 (mirko tondinelli)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: NGC 4627 · NGC 4631 · NGC 4656 · NGC 4657 · Whale Galaxy

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NGC 4631_ NGC 4656

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NGC 4631_ NGC 4656

NGC 4631 (nota anche come C 32 o col soprannome Galassia Balena) è una grande galassia a spirale nella costellazione dei Cani da Caccia.Si tratta di una delle spirali vicine al nostro gruppo di anni-luce, il che ne fa una delle spirali giganti più appare al nostro Gruppo Locale.NGC 4631 dal nome al Gruppo di NGC 4631, un gruppo di galassie del quale fanno parte, tra le altre, la sua compagna galassia ellittica nana NGC 4627 e le galassie interagenti NGC 4656 e NGC 4657 NGC 4656 (anche nota come Galassia Mazza da Hockey)è una galassia a spirale irregolare nella costellazione dei Cani da Caccia. La sua distanza dalla Via Lattea è stimata attorno ai 10 milioni di anni-luce; fa parte, assieme alla galassia NGC 4631, di un "Gruppo Locale" simile al nostro, nonché uno dei più vicini. Skywatcher 200/800 correttore/riduttore artesky 0.95Fotocamera zwo Asi 294 mc proFiltro Lpro 2" optolongMontatura Eq6 mod Rowan 145 luce da 180" guadagno 120 Scuro 50DarkFlat 50Appartamento 50 APT, SHARCAP, PIXINSIGHT, PHOTOSHOP

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	5736302
PixInsight job	2C5QZ1UMTUWB1RNAB9EE3BYK0I57ZERH
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h42m42s.11
RA (top/left)	12h45m55s.10
RA (top/right)	12h39m26s.81
RA (bottom/right)	12h39m30s.89
RA (bottom/left)	12h45m55s.26

Dec (center)	+32°20′57″.5
Dec (top/left)	+32°49′41″.6
Dec (top/right)	+32°48′55″.6
Dec (bottom/right)	+31°51′46″.6
Dec (bottom/left)	+31°52′41″.6

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Contribution Index (beta):

NGC 4631_ NGC 4656

NGC 4631_ NGC 4656

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Contribution Index (beta):

NGC 4631_ NGC 4656

NGC 4631_ NGC 4656

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